, The calls includes croaks, squawks, chirps, clicks, whistles and 'growls', and the bird often fluffs its feathers and bobs its head in singing. Other factors that contribute to mortality rates are poor selection of nest sites and … It feeds on insects, arachnids, crustaceans, reptiles, small mammals, seeds, grain and fruits and discarded waste from human habitation.  Common mynas are popular as cage birds for their singing and "speaking" abilities. Hill myna males have distinctly flatter heads than females, whereas the female mynas have a more rounded head. The Common Myna is brown with a black head. In my home, they come very often to take some share from the dog food, sometimes, when the dog doesn't eat his food, then this time is like a party for common Myna. Failed introductions were made at Launceston, Tasmania in 1900 and later in 1955. It, however, feeds on a wide range of insects, mostly picked from the ground. Introduced Birds of the World. , The bird can live and breed in a wide range of temperatures, ranging from the harsh winters of Canberra to the tropical climate of Cairns. There is evidence that common mynas have killed small land It is particularly problematic in Australia. It is also known as "the cane toad of the sky". , The common myna has been introduced in many other parts of the world such as Canada, Australia, Israel, New Zealand, New Caledonia, the United States, South Africa, Kazakhstan, Kyrgyzstan Uzbekistan, the Cayman Islands, islands in the Indian Ocean (the Seychelles, Mauritius, Réunion, Madagascar, the Maldives, the Andaman and Nicobar Islands and the Lakshadweep archipelago) and also in islands of the Atlantic (such as Ascension and Saint Helena) and the Pacific Oceans. Morphological variations are significant in wing and head traits of females, suggesting females as the primary dispersing sex. Common Mynas mate for life. Unlike its cousin the hill mynah, the common mynah is most often considered a pest. There is a white patch on the outer primaries and the wing lining on the underside is white. Pell, A.S. & Tidemann, C.R. Are there any distinctive features about the bird? Common Mynas are accomplished scavengers, feeding on almost anything, including insects, fruits and vegetables, scraps, pets' food and even fledgling sparrows. In southern Asia Common Mynas are not generally considered pests, as flocks follow the plough to feast on the insects and grubs turned up with the soil. , Common mynas are believed to pair for life. The common myna can help spread agricultural weeds: for example, it spreads the seeds of Lantana camara, which has been classed as a Weed of National Significance because of its invasiveness. It competes with small mammals and birds for nesting hollows. However, in the southern reaches of the North Island, the cooler summer temperatures, like those of the South Island, have prevented the establishment of large myna populations. 1.  Only three years later, a second study found an average population density of 75 birds per square kilometer in the same area.. Cereal crops such as maize, wheat and rice are susceptible where they occur near urban areas. They have a short digestive tract; therefore, these birds eat a lot and likely have frequent and often loose droppings. It has a yellow bill, legs and bare eye skin. The common myna is an adaptable, omnivorous scavenger, feeding on fruits, grains, nectar, insects, young birds and eggs. They breed through much of the year depending on the location, building their nest in a hole in a tree or wall.  It has since been introduced widely elsewhere, including adjacent areas in Southeast Asia, Madagascar, the Middle East, South Africa, Israel, the United States, Argentina, Germany, Spain and Portugal, the United Kingdom, Australia, New Zealand and various oceanic islands in the Indian and Pacific Oceans, including prominent populations in Fiji and Hawaii. , The function of communal roosting is to synchronise various social activities, avoid predators, exchange information about food sources. From my own observations of the freeloading birds in my garden, the Javan Myna is more daring. Also native to southeast Asia, the common mynah was introduced into non-native habitats to help curb insect population. “How did the Javan Myna turn the tables and become more common than the Common Myna? Body length: 23 cm (1997) "The impact of two exotic hollow-nesting birds on two native parrots in savannah and woodland in eastern Australia", This page was last edited on 8 December 2020, at 08:49. , Common mynas can cause considerable damage to ripening fruit, particularly grapes, but also figs, apples, pears, strawberries, blueberries, guava, mangoes and breadfruit. The Common Myna is readily identified by the brown body, black hooded head and the bare yellow patch behind the eye. Empirical Evidence for the Impact of the Common Myna (Acridotheres tristis) on Australian Birds", http://www.issg.org/pdf/publications/2019_Island_Invasives/SaavedraCruz.pdf, "Introduction and Spread of the Common Myna in New South Wales", "The Current and Potential Distribution of the Common Myna, "Councils assessing backyard traps to catch Indian Mynah birds | thetelegraph.com.au", "A survey of recent introduction events, spread and mitigation efforts of mynas (Acridotheres sp.) 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